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I thought the section in The Art and Science of Low Carbohydrate Living: An Expert Guide to Making the Life-Saving Benefits of Carbohydrate Restriction Sustainable and Enjoyable by Dr. Stephen Phinney and Dr. Jeff Volek about “bonking” or “hitting the wall” was particularly fascinating. It happens to athletes when they engage in endurance sports. It has applicability to the NutriSystem diet as well in that it could happen to us to a lesser degree if meals are delayed or skipped. Bonking is the result of the brain running low on glucose. The first symptom is intrusive thoughts about food. Then, after a while if nothing is eaten, anxiety and the shakes can set in. If the person still fails to eat something and he reaches the end of his glucose supply, he’ll feel a profound depression. This is why you might see a marathoner in tears toward the end of a race. He’s hit the wall. This has applicability to my business as well. I doubt that hypnotic suggestions are much of a match against physiologically induced cravings caused by skipping meals. If a client chooses to do an ADA style low-fat/high-carb diet like NutriSystem, then it makes sense to give him suggestions to eat small meals at regularly scheduled frequent intervals the way NutriSystem recommends so that he won’t bonk. Those ketoadapted to a low-carb diet don’t bonk because their brains are running on ketones, not glucose. As long as they’ve got body fat, there’s a continuous supply.